Education
About Us
Working with TipRanks
Follow Us
Kastelein Johannes Jacob Pieter Insider Profile
4 Followers
Kastelein Johannes Jacob Pieter, CSO, Director at NewAmsterdam Pharma Company, holds 69.30K shares in NewAmsterdam Pharma Company (Ticker: NAMS). Most recently, Kastelein Johannes Jacob Pieter Sold 100,000 shares of NewAmsterdam Pharma Company on Aug 25, 2025 for an estimated value of $2.47M.
Kastelein Johannes Jacob Pieter has not reported sufficient informative transactions and therefore cannot be ranked.
Time Frame
Compare to
Insider Holdings
100.00%
A breakdown of Kastelein Johannes Jacob Pieter's holdings
Insider Roles
CSO, Director
Roles that Kastelein Johannes Jacob Pieter holds in companies
Most Profitable Insider Trade
Currently, no data available
The most profitable trade made by Kastelein Johannes Jacob Pieter
Kastelein Johannes Jacob Pieter's Trading History
List of latest transactions for each holding click on a transaction to see Kastelein Johannes Jacob Pieter's performance on stock
You May Also Like
Kastelein Johannes Jacob Pieter insider profile FAQ
What is the percentage of profitable transactions made by Kastelein Johannes Jacob Pieter?
The percentage of profitable transactions made by Kastelein Johannes Jacob Pieter is ―.
What is the average return per transaction made by Kastelein Johannes Jacob Pieter?
The average return per transaction made by Kastelein Johannes Jacob Pieter is ―.
What stocks does Kastelein Johannes Jacob Pieter hold?
Kastelein Johannes Jacob Pieter holds: NAMS stocks.
What was Kastelein Johannes Jacob Pieter’s latest transaction?
Kastelein Johannes Jacob Pieter latest transaction was an Informative Sell of $2.47M.
What was Kastelein Johannes Jacob Pieter's most profitable transaction?
Kastelein Johannes Jacob Pieter’s most profitable transaction was an Uninformative Buy of stock on ―. The return on the trade was ―.
What is Kastelein Johannes Jacob Pieter's role in NewAmsterdam Pharma Company?
Kastelein Johannes Jacob Pieter's role in NewAmsterdam Pharma Company is CSO, Director.
How can I follow the stock ratings of top corporate insiders?
Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.